| CPC G08B 3/10 (2013.01) [F21V 33/0056 (2013.01); G02B 6/0055 (2013.01); G02B 27/0994 (2013.01); F21V 2200/13 (2015.01)] | 25 Claims |

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1. A device comprising:
a housing having an outer surface;
an emitter to output light in a direction along an optical axis, the emitter supported by the housing; and
a light pipe to receive light from the emitter, the light pipe including a plurality of light reflecting portions positioned between an input portion and an output portion defined by an annular ring of the light pipe, and the plurality including a first light reflecting portion having a continuously curved shape to reflect light in an overlapping fashion with light reflected by second and third light reflecting portions of the plurality,
wherein a distal end of the annular ring is positioned flush or at a same level as surrounding parts of the housing at the outer surface.
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